Process Architecture
A process is a mechanism at the operating system level whose purpose is to run a series of steps. Some operating systems use the terms task, job, or thread, but regardless of the name, they all perform a job through designated steps. Each process usually runs in its own memory area.
Oracle instances have two primary types of processes: user processes and Oracle processes. The following list describes these and other processes:
User processes These are created and maintained for the sole purpose of facilitating the running the software code of an application program or an Oracle tool (such as SQL*Plus or Oracle Enterprise Manager). User processes manage the communication with the server processes through the program interface ...
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